article · Modern Physics Letters B
This study models the flow, convective heat transport, and entropy generation of a hybrid nanofluid over a stretching surface under an electric field and nonlinear thermal radiation. The investigation compares a hybrid nanofluid made of silver and magnesium oxide dispersed in water against a conventional silver-water nanofluid. Governing equations for mass, momentum, energy, and entropy conservation were converted into ordinary differential equations using similarity variables and solved numerically with the finite element method. Temperature, velocity, and entropy profiles were evaluated alongside skin friction and heat transfer rates using regression analysis. The numerical results show that the silver-magnesium oxide hybrid nanofluid achieves a superior heat transfer rate compared to the single-nanoparticle fluid. Additionally, increases in the Brinkman number and Reynolds number correspond to higher total entropy generation across the system.
Understanding how hybrid nanofluids manage heat and generate entropy under electric and thermal radiation fields is vital for designing more efficient thermal systems. By demonstrating that combinations of silver and magnesium oxide nanoparticles transfer heat more effectively than single-particle fluids, this work provides basic theoretical insights into optimising fluid performance and minimising energy losses during convective heat transfer processes.
The abstract does not indicate an application pathway, as it focuses exclusively on early-stage mathematical and numerical modeling.
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Hybrid nanofluids were expressed by heat-transfer fluids into greater surface dispersion capabilities, stability and diffusion related for traditional nanofluids. The effort on the flow of volumetric entropy generation and convective heat transport of MHD hybrid nanofluid is considered. Hybrid nanofluid involves the field over the orderly stretchable surface for variable heat flux with the resistance of electric field. Effect on convective heating and nonlinear thermal radiation is again contained in the interpreted figure. Mathematical equations such as momentum, energy, conservation of mass and entropy were collected as conversion to governing partial differential equations by ordinary differential equations, utilizing similarity variables. An efficient finite element method (FEM) is used. Numerical calculations were accomplished for silver–magnesium oxide water (Ag-MgO/H 2 O) hybrid nanofluid and conventional silver water (Ag-H 2 O) nanofluid. The graphs were created by the temperature, velocity, and entropy profiles. to analyse the impact on governing parameters. These skin friction and heat transfer rates are analysed through regression analysis. The important allegation expressed by the hybrid Nanofluid has the best heat transfer rate, which is related to convectional nanofluid. Further, It raised the Brinkman number and Reynolds number and developed a total entropy of the structure.
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DOI: 10.1142/s0217984924503378
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